<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <link rel="stylesheet" href="./stylesheets/index.css">
  <title>搜索框</title>
</head>
<body>
  <div id="box" class="clearfix">
    <div class="left-search fl">
      <!-- 1、设置表单控件的类型为文本框类型 -->
      <input class="fl">
      <i class="fr"></i>
    </div>
    <div class="right-btn fl">搜索</div>
  </div>
</body>
</html>